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<?php |
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namespace kalanis\kw_images; |
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use kalanis\kw_images\Interfaces\IExifConstants; |
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use kalanis\kw_images\Interfaces\IIMTranslations; |
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use kalanis\kw_images\Interfaces\ISizes; |
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use kalanis\kw_images\Traits\TSizes; |
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use kalanis\kw_images\Traits\TType; |
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use kalanis\kw_mime\Interfaces\IMime; |
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use kalanis\kw_mime\MimeException; |
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/** |
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* Class Graphics |
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* Main image itself |
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* @package kalanis\kw_images\Graphics |
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*/ |
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class Graphics |
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{ |
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use TType; |
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use TSizes; |
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protected Graphics\Processor $libGraphics; |
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protected ?ISizes $libSizes = null; |
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public function __construct(Graphics\Processor $libGraphics, IMime $libMime, ?IIMTranslations $lang = null) |
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{ |
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$this->initType($libMime, $lang); |
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$this->libGraphics = $libGraphics; |
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} |
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public function setSizes(ISizes $sizes): self |
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{ |
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$this->libSizes = $sizes; |
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return $this; |
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} |
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/** |
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* @param string $tempPath path to temp file |
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* @param string[] $realSourceName real file name for extension detection of source image |
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* @throws ImagesException |
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* @throws MimeException |
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* @return bool |
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*/ |
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public function check(string $tempPath, array $realSourceName): bool |
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{ |
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$this->getLibSizes(); |
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$size = @filesize($tempPath); |
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if (false === $size) { |
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throw new ImagesException($this->getImLang()->imImageSizeExists()); |
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} |
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if ($this->getLibSizes()->getMaxFileSize() < $size) { |
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throw new ImagesException($this->getImLang()->imImageSizeTooLarge()); |
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} |
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$this->libGraphics->load($this->getType($realSourceName), $tempPath); |
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if ($this->getLibSizes()->getMaxInHeight() < $this->libGraphics->height()) { |
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throw new ImagesException($this->getImLang()->imImageSizeTooLarge()); |
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} |
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if ($this->getLibSizes()->getMaxInWidth() < $this->libGraphics->width()) { |
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throw new ImagesException($this->getImLang()->imImageSizeTooLarge()); |
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} |
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return true; |
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} |
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/** |
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* @param string $tempPath path to temp file which will be loaded and saved |
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* @param string[] $realSourceName real file name for extension detection of source image |
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* @param string[]|null $realTargetName real file name for extension detection of target image |
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* @throws ImagesException |
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* @throws MimeException |
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* @return bool |
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*/ |
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public function resize(string $tempPath, array $realSourceName, ?array $realTargetName = null): bool |
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{ |
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$this->getLibSizes(); |
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$realTargetName = is_null($realTargetName) ? $realSourceName : $realTargetName; |
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$this->libGraphics->load($this->getType($realSourceName), $tempPath); |
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$sizes = $this->calculateSize( |
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$this->libGraphics->width(), |
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$this->getLibSizes()->getMaxStoreWidth(), |
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$this->libGraphics->height(), |
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$this->getLibSizes()->getMaxStoreHeight() |
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); |
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$this->libGraphics->resample($sizes['width'], $sizes['height']); |
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$this->libGraphics->save($this->getType($realTargetName), $tempPath); |
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return true; |
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} |
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/** |
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* @param string $tempPath path to temp file which will be loaded and saved |
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* @param string[] $realSourceName real file name for extension detection of source image |
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* @param string[]|null $realTargetName real file name for extension detection of target image |
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* @throws ImagesException |
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* @throws MimeException |
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* @return bool |
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* @link https://stackoverflow.com/questions/7489742/php-read-exif-data-and-adjust-orientation |
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*/ |
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public function orientate(string $tempPath, array $realSourceName, ?array $realTargetName = null): bool |
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{ |
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$exif = @exif_read_data($tempPath); |
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if (false === $exif) { |
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throw new ImagesException($this->getImLang()->imImageCannotOrientate()); |
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} |
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if (!empty($exif['Orientation']) && in_array($exif['Orientation'], [ |
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IExifConstants::EXIF_ORIENTATION_NORMAL, |
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IExifConstants::EXIF_ORIENTATION_MIRROR_SIMPLE, |
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IExifConstants::EXIF_ORIENTATION_UPSIDE_DOWN, |
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IExifConstants::EXIF_ORIENTATION_MIRROR_UPSIDE_DOWN, |
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IExifConstants::EXIF_ORIENTATION_ON_LEFT, |
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IExifConstants::EXIF_ORIENTATION_MIRROR_ON_LEFT, |
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IExifConstants::EXIF_ORIENTATION_ON_RIGHT, |
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IExifConstants::EXIF_ORIENTATION_MIRROR_ON_RIGHT, |
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])) { |
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$realTargetName = is_null($realTargetName) ? $realSourceName : $realTargetName; |
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$this->libGraphics->load($this->getType($realSourceName), $tempPath); |
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$this->libGraphics->orientate($exif['Orientation']); |
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$this->libGraphics->save($this->getType($realTargetName), $tempPath); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @throws ImagesException |
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* @return ISizes |
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*/ |
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protected function getLibSizes(): ISizes |
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{ |
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if (empty($this->libSizes)) { |
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throw new ImagesException($this->getImLang()->imSizesNotSet()); |
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} |
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return $this->libSizes; |
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} |
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} |
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alex-kalanis /
kw_images
